Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual companhia aérea possui um tamanho de frota maior que 17 e um IATA de pr?
 ###Tabelas: CREATE TABLE season_2:_2009–11 (season_2:_2009–11_id AUTO_INCREMENT PRIMARY KEY, Series # INT, Season # INT, Title VARCHAR, Directed by VARCHAR, Written by VARCHAR, Original airdate VARCHAR) CREATE TABLE commercial_airlines (commercial_airlines_id AUTO_INCREMENT PRIMARY KEY, Airline VARCHAR, ICAO VARCHAR, IATA VARCHAR, Callsign VARCHAR, Commenced operations INT, Fleet size INT, Headquarters VARCHAR) CREATE TABLE anime (anime_id AUTO_INCREMENT PRIMARY KEY, Series VARCHAR, Title VARCHAR, Broadcasts (TV) 1 INT, Episodes (TV+extra) 2 VARCHAR, Directors VARCHAR, Aired in Japan 3 VARCHAR, US Release Date VARCHAR) CREATE TABLE season_review (season_review_id AUTO_INCREMENT PRIMARY KEY, Rd. INT, Grand Prix VARCHAR, Date VARCHAR, Location VARCHAR, Pole Position VARCHAR, Fastest Lap VARCHAR, Winning Driver VARCHAR, Constructor VARCHAR, Report VARCHAR) CREATE TABLE league_and_cup_history (league_and_cup_history_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, LeagueContested VARCHAR, Level INT, LeaguePosition VARCHAR, Avg.Home Attendance 1 VARCHAR, FA Cup VARCHAR, FA Trophy VARCHAR, Leading scorer 1 VARCHAR)  
SELECT Airline FROM commercial_airlines WHERE Fleet size > 17 AND IATA = pr